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Wells > Valves, Closures Or Changeable Restrictors

Valves, Closures Or Changeable Restrictors

Valves, Closures Or Changeable Restrictors patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

09/11/14 - 20140251627 - Mechanically adjustable flow control assembly
A flow control assembly can be mechanically adjusted, rotationally or translationally, inside a tubing downhole between multiple positions by an intervening tool from the surface to change resistivity to flow through the flow control assembly. The positions among which the flow control assembly can be adjusted can include a closed...

08/07/14 - 20140216750 - Apparatus and methods for conducting well-related fluids
Apparatus and methods for conducting well-related fluids are disclosed. The apparatus and methods may be used to mitigate erosion of fluid handling equipment by fluids associated with hydrocarbon wells. An exemplary apparatus comprises: an upstream conduit including an upstream fluid passage for receiving and conducting well-related fluid; a choke member...

05/01/14 - 20140116713 - Rfid actuated gravel pack valves
A device and method that, on a command from the surface, a seat in a tubular may be moved into the bore of a tubular so that a ball of the appropriate size may be caught. The seat may also be moved out of the bore on command so that...

04/24/14 - 20140110122 - Safety system for wells having a cable deployed electronic submersible pump
A safety system for a well having a cable deployed electronic submersible pump includes a barrier valve having a control line for opening and closing the valve, a first flapper safety valve assembly, and a second flapper safety valve assembly. The second flapper safety valve allows the cable for the...

04/24/14 - 20140110123 - Wellbore isolation device made from a powdered fusible alloy matrix
A method of producing at least a portion of a wellbore isolation device comprising: providing a fusible alloy matrix in a powdered form; placing at least the particles of the fusible alloy matrix powder into a mold; compacting the particles located inside the mold via an application of pressure; and...

02/06/14 - 20140034324 - Downhole flow control using porous material
A flow control assembly can be disposed in a wellbore and can include a porous material. The porous material can be a temporary plug in a flow path. The porous material may respond to stimuli in a wellbore by creating a flow path, or otherwise allowing fluid to flow in...

01/16/14 - 20140014351 - Fluid flow control using channels
A fluid flow control device disposable in a bore can include channels that can direct fluid flow based on one or more properties of the fluid more robustly. The channels may include a side channel between two other channels. The side channel can allow fluid flow to affect fluid flowing...

01/09/14 - 20140008075 - Downhole shut-in device for pressure variation testing in gas lift wells
The objective of the downhole shut-in device is to obtain characteristic information of the fluid-rock system from variations in the pressures recorded in order to obtain the dynamic characterization of the reservoir....

10/24/13 - 20130277058 - Flow control device, method and production adjustment arrangement
A flow control device includes, a body defining at least a portion of a flow passageway, at least one movable member in operable communication with the body, movable between at least a first position that provides a first restriction to flow through the flow passageway and a second position that...

07/18/13 - 20130180724 - Inflow control device with adjustable orifice and production string having the same
An inflow control device laterally insertable in a wall of a tubular, the inflow control device includes a plug shaped body having a first section and a second section, the first section having an orifice accessible to an interior of the tubular and the second section having an opening accessible...

04/18/13 - 20130092380 - Downhole contingency apparatus
A tubing mounted completion assembly that includes at least one downhole valve assembly and at least one contingency device. The contingency device or devices can be associated with and can be separate from the downhole valve assembly. The contingency device or devices can be adapted to operate upon failure of...

11/29/12 - 20120298370 - Flow restriction devices
An inflow control device may include flow control elements along a flow path. The flow control elements may change the inertial direction of the fluid flowing in the flow path. The change in inertial direction occurs at junctures along the flow path. The flow control elements may also be configured...

10/18/12 - 20120261131 - Assembly for actuating a downhole tool
A valve seat assembly for actuating a connected downhole tool. The connected downhole tool may be mechanically connected, such as a sleeve positionable between flow ports through a housing, or hydraulically connected, such as through establishing a fluid communication path to the tool to cause actuation thereof. The valve seat...

07/19/12 - 20120181036 - Downhole adjustable inflow control device for use in a subterranean well
A well system can include an inflow control device which resists flow into a tubular string. A selection from among multiple different flow resistances through the inflow control device can be performed in response to pressure manipulation. An inflow control device can include a piston which is displaceable to at...

06/07/12 - 20120138304 - Device for directing the flow of a fluid using a pressure switch
A device for directing the flow of a fluid comprises: a pressure pocket; a first fluid passageway; a pressure source; and a pressure switch, wherein the first fluid passageway operationally connects at least the pressure pocket and the pressure source, and wherein the pressure switch is positioned adjacent to the...

05/03/12 - 20120103618 - Coiled tubing bottom hole assembly with packer and anchor assembly
A bottom hole assembly (BHA), adapted to be positioned in a casing and to isolate a portion of a wellbore, which includes a packer assembly with a first sealing element extending between first and second portions of the packer assembly. A method of setting a BHA in a casing which...

03/15/12 - 20120061087 - Continuous flow drilling systems and methods
A method for drilling a wellbore includes drilling the wellbore by injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate and rotating a drill bit. The tubular string includes: the drill bit disposed on a bottom thereof, tubular joints connected...

03/01/12 - 20120048561 - Downhole adjustable inflow control device for use in a subterranean well
A well system can include an inflow control device which resists flow into a tubular string. A selection from among multiple different flow resistances through the inflow control device can be performed in response to pressure manipulation. An inflow control device can include a piston which is displaceable to at...

12/29/11 - 20110315388 - Flow energy dissipation for downhole injection flow control devices
A well system can include a flow control device which regulates flow of a fluid from an interior of the device outwardly through an exit port, and a deflector which outwardly overlies the exit port and provides fluid communication between the exit port and an annulus formed radially between the...

12/22/11 - - Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system
An apparatus is described for controlling flow of fluid in a tubular positioned in a wellbore extending through a subterranean formation. A flow control system is placed in fluid communication with a main tubular. The flow control system has a flow ratio control system and a pathway dependent resistance system....

12/08/11 - 20110297384 - Variable flow resistance system for use in a subterranean well
A variable flow resistance system can include a flow chamber through which a fluid composition flows in a well, the chamber having an inlet and an outlet. The fluid composition enters via the inlet in a direction which changes based on a ratio of desired to undesired fluid in the...

12/08/11 - 20110297385 - Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well
A variable flow resistance system for use in a subterranean well can include a flow chamber having an outlet and at least one structure which resists a change in a direction of flow of a fluid composition toward the outlet. The fluid composition may enter the chamber in the direction...

09/08/11 - 20110214876 - Flow path control based on fluid characteristics to thereby variably resist flow in a subterranean well
A system for variably resisting flow of a fluid composition can include a flow passage and a set of one or more branch passages which intersect the flow passage, whereby a proportion of the fluid composition diverted from the passage to the set of branch passages varies based on at...

08/04/11 - 20110186300 - Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system
An apparatus is described for controlling flow of fluid in a tubular positioned in a wellbore extending through a subterranean formation. A flow control system is placed in fluid communication with a main tubular. The flow control system has a flow ratio control system and a pathway dependent resistance system....

03/03/11 - 20110048722 - Method for extracting biogas and corresponding device
The invention essentially relates to a method for controlling the extraction of a biogas from a housing (50) equipped with at least one extraction assembly (31A, 31B) connected to a manifold (70A, 70B) via a control valve (10A, 10B), said method comprising the following steps: providing a respective predetermined manifold...

02/24/11 - 20110042091 - Flow path control based on fluid characteristics to thereby variably resist flow in a subterranean well
A system for variably resisting flow of a fluid composition can include a flow passage and a set of one or more branch passages which intersect the flow passage, whereby a proportion of the fluid composition diverted from the passage to the set of branch passages varies based on at...

01/06/11 - 20110000674 - Remotely controllable manifold
A downhole manifold configured to manage fluid flow to or from a subterranean formation including a housing in operable communication with two or more fluid pathways and having one or more ports for fluid communication with a flow channel; and a valve stem disposed within the housing and actuable to...

01/06/11 - 20110000675 - Flow control device and method for a downhole oil-water separator
A downhole device having an oil/water separator having a well fluid inlet, an oil stream outlet conduit, and a water stream outlet conduit; a removable flow-restrictor located in at least one of the water stream outlet conduit or the oil stream outlet conduit....

01/14/10 - 20100006294 - Well bore fluid redistribution and fluid disposal in wellbore environments
Well bore fluid redistribution apparatuses which can be inserted into a well bore to isolate fluids produced in well bores from different gelogic sections on either side of the apparatus and redistribute such fluids produced in well bores between different geologic sections to reduce surface discharge of fluids....

11/12/09 - 20090277642 - Metal to metal seal for downhole tools
A metal to metal seal for downhole tools. A sealing device includes a metal seal. A nonmetal seal may be used to bias the metal seal in a radial direction in response to a pressure differential applied to the sealing device. A well tool includes a housing assembly, a closure...

06/25/09 - 20090159289 - Ball seat having segmented arcuate ball support member
Apparatuses for restricting fluid flow through a well conduit comprise a housing having a longitudinal bore and a seat disposed within the bore. The seat has a first position when the apparatus is in the run-in position and a second position when the apparatus is in the set position. The...

04/09/09 - 20090090510 - Well bore fluid redistribution system
Generally, devices and methods of redistribution of fluids produced in well bore environments. Specifically, well bore fluid redistribution apparatuses which can isolate and redistribute fluids produced in well bores between geologic sections to reduce surface discharge of fluids....